D. quadrilineata - de Meijere, 1911 D. quadriseriata - Duda, 1924 D. quadriserrata - Okada and Carson, 1982 D. quadrisetae - Hardy, 1965 D. quadrisetata - Takada, Beppu and Toda, 1979 D. quadrum - (Wiedemann, 1830) D. quasianomalipes - Hardy, 1965 D. quasiexpansa - Hardy, 1965 D. quatrou - Tsacas, 1980 D. querubimae - Vilela, 1983 D. quijos - Guillin and Rafael, 2015 D. quillu - Vela and Rafael, 2005 D. quinaria - Loew, 1866 D. quinarensis - Penafiel and Rafael, 2018 D. quinqueannulata - Frey, 1917 D. quinqueramosa - Hardy and Kaneshiro in Hardy et al., 2001 D. quinquestriata - Lin and Wheeler in Lin and Tseng, 1973 D. quitensis - Vela and Rafael, 2004 R D. racemova - Patterson and Mainland, 1944 D. ramamensis - Dwivedi, 1979 D. ramsdeni - Sturtevant, 1916 D. ranchograndensis - Bächli and Vilela, 2002 D. reaumurii - Dufour, 1845 D. recens - Wheeler, 1960 D. rectangularis - Sturtevant, 1942 D. recticilia - Hardy and Kaneshiro, 1968 D. redunca - Hardy, 1965 D. rellima - Wheeler, 1960 D. repleta - Wollaston, 1858 D. repletoides - Hsu, 1943 D. reschae - Hardy and Kaneshiro, 1975 D. residua - Hardy, 1965 D. reticulata - Wheeler, 1957 D. retnasabapathyi - Takada and Momma, 1975 D. retrusa - Hardy, 1965 D. reynoldsiae - Hardy and Kaneshiro, 1972 D. rhombura - Okada and Carson, 1983 D. rhopaloa - Bock and Wheeler, 1972 D. richardsoni - Vilela, 1983 D. rinjaniensis - Suwito and Watabe, in Suwito, Watabe and Toda, 2013 D. ritae - Patterson and Wheeler, 1942 D. robusta - Sturtevant, 1916 D. roehrae - Pipkin and Heed, 1964 D. rosinae - Vilela, 1983 D. rostrata - Duda, 1925 D. ruberrima - de Meijere, 1911 D. ruberrimoides - Zhang and Gan, 1986 D. rubida - Mather, 1960 D. rubidifrons - Patterson and Mainland, 1944 D. rubra - Sturtevant, 1927 D. rubrifrons - Patterson and Wheeler, 1942 D. rucux - Cespedes and Rafael, 2012 D. rufa - Kikkawa and Peng, 1938 D. ruizi - Ruiz-Fiegalan, 2004 D. ruminahuii - Vela and Rafael, 2004 D. rumipamba - Vela and Rafael, 2005 D. runduloma - Vela and Rafael, 2005 D. rustica - Hardy, 1965 S D. sabroskyi - Hardy, 1965 D. sachapuyu - Penafiel and Rafael, 2018 D. sadleria - Bryan, 1938 D. sahyadrii - Prakash and Reddy, 1979 D. salpina - Chen, 1994 D. saltans - Sturtevant, 1916 D. sampa - Ratcov